Find a 2x2 matrix A such that det(A)=3. (You must show why det(A)=3.) True or False: If A is an nxn matrix and has n pivot columns, then A is linearly independent. (You must justify your answer.) Give an example of a 4x4 matrix A such that Nul(A) does not equal the set containing the zero vector. Prove that for a pxq matrix C, the column space of C is a subspace of RP. (This needs to be a formal proof.)

Q: Solve equation.   -4 | 2x + 1 | + 12 = 0

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A: Solution:-

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A: Since you have asked multiple question, we will solve the first question for you. If you want any…

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A: Given that : The equation is xx+ 8 + 2x + 3 = 2x + 56x2 + 11x + 24 .

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A: Topic- algebric simplification

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